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1/8/2015

Glass roving for SMC

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Owens Corning (Toledo, OH, US) introduced at CAMX two new glass fiber products for use in sheet molding compound (SMC).

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Owens Corning (Toledo, OH, US) introduced at CAMX two new glass fiber products for use in sheet molding compound (SMC). Advantex ME1975, a new multi-end roving, is designed for use in SMC Class A applications in automotive and transportation markets. ME1975 is designed with a proprietary sizing chemistry and a fiber configuration that allows higher paste viscosity in large surface areas and difficult contours. Owens Corning say this creates a Class A surface appearance without rippling, enabling Tier 1 customers to replace metal in parts with long vertical walls, without the significant rework and scrap that were characteristic of previous composites used in these applications.

Advantex ME1510 is designed to provide optimal wetting performance with glass content as high as 60% in epoxy-based SMC applications. ME1510 benefits include improved mechanical properties compared to standard (polyester) SMC, and significant weight reduction compared to legacy steel. It also is said to offer good processability during compounding, and good strength and flexural modulus compared to other glass fiber reinforcements in epoxy SMC. 

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